Cita APA (7th ed.)

Lang, S. (1987). Calculus of several variables (3a. ed.). Springer.

Cita Chicago (17th ed.)

Lang, Serge. Calculus of Several Variables. 3a. ed. New Haven: Springer, 1987.

Cita MLA (9th ed.)

Lang, Serge. Calculus of Several Variables. 3a. ed. Springer, 1987.